Commit-ID: 62524d55e5b9ffe36e3bf3dd7a594114f150b449
Gitweb: http://git.kernel.org/tip/62524d55e5b9ffe36e3bf3dd7a594114f150b449
Author: Steven Rostedt <srostedt@xxxxxxxxxx>
AuthorDate: Tue, 17 Mar 2009 20:58:00 -0400
Commit: Steven Rostedt <srostedt@xxxxxxxxxx>
CommitDate: Tue, 17 Mar 2009 23:12:11 -0400
tracing: make power tracer start/stop methods lighter weight
The start/stop methods of a tracer should be able to be executed
in all contexts. This patch converts the power tracer to do so.
Signed-off-by: Steven Rostedt <srostedt@xxxxxxxxxx>
---
kernel/trace/trace_power.c | 8 ++++++--
1 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/kernel/trace/trace_power.c b/kernel/trace/trace_power.c
index 91ce672..bae791e 100644
--- a/kernel/trace/trace_power.c
+++ b/kernel/trace/trace_power.c
@@ -122,12 +122,16 @@ fail_start:
static void start_power_trace(struct trace_array *tr)
{
trace_power_enabled = 1;
- tracing_power_register();
}
static void stop_power_trace(struct trace_array *tr)
{
trace_power_enabled = 0;
+}
+
+static void power_trace_reset(struct trace_array *tr)
+{
+ trace_power_enabled = 0;
unregister_trace_power_start(probe_power_start);
unregister_trace_power_end(probe_power_end);
unregister_trace_power_mark(probe_power_mark);
@@ -188,7 +192,7 @@ static struct tracer power_tracer __read_mostly =
.init = power_trace_init,
.start = start_power_trace,
.stop = stop_power_trace,
- .reset = stop_power_trace,
+ .reset = power_trace_reset,
.print_line = power_print_line,
};
--
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